Ceiling lamp



FIG. 1 is a bottom perspective view of the ceiling lamp showing my design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an end elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The opposite side and end of the ceiling lamp are identical to the side and end of the ceiling lamp shown in FIGS. 3 and 4. 

The ornamental design for a ceiling lamp, as shown and described. 